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Showing Results For: Captive Nuts

Captive Nuts

A captive nut, also known as cage nut, consists of a kind of square nut made up of a spring steel cage that wraps across the nut. This captive contains two wings when pressed to permit the cage to be put into the squared-oriented holes. For example, equipment racks that are contained in the mounting rails, where the wings were allowed, and they fixed the nut in the place available behind the hole. The current nut design requires insertion tools to install the nut into the appropriate hole. Advancement has been made in the design that squeeze-and-tab allows for equipment-easily configuration.

This square hole nut can be used at the place where it can be punched. Initially, a captive nut makes use of a spring clip that grabs the nut, and a thin sheet holds the slide on edge. Using a square hole cage nut can only be fixed at a particular distance from the thin edge plate. It is out-performed due to its square and rounded holes.  

The captive nut is manufactured slightly loosely to ensure adjustment and alignment if some minute changes in the captive are required. This mitigates the probability that the threads can be stripped during device configuration and removal. Spring steel clip dimension has the potential to choose the thickness of the panel where the nut can be clipped. The clip dimensions define the range of hole diameters to which the clip will firmly retain the nut in square-hole nuts. The clip dimensions govern the distance from the panel edge to the hole in the case of slide-on nuts.

Applications  

A captive nut is the most common type of mount device that exists in square holes with 19-inch racks and 9.5mm square hole size. These are the four most used sizes in the industry, UNF 10-32 and UNC 12-24, are commonly used in North America, whereas M5 is used in the rest of the world. Even though some current rack-mount devices are compatible with square-hole racks without the need for bolts, the captive nut is used to secure many rack-mount components.

Benefits  

This square hole's nut offers many benefits over threaded holes. A range of various sizes of nuts and bolts can be used in the industry due to their scalability, robustness, and dynamic adjustment. On the other hand, if a screw is more tightened, it has to be replaced, whereas a pre-threaded hole couldn't be replaced with a new one. Because the hole gets stuck and can't be usable anymore. Lastly, square hole nuts are very convenient to apply on objects that are too thin or elastic to be threaded.

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Schneider Electric
AF1EA6, Schneider Electric
198 In Stock
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AF1EA4, Schneider Electric
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TQ6610, ABB
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£ 18.41
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0 477 12, Legrand
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£ 57.80
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AF1CG5, Schneider Electric
798 In Stock
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£ 0.86
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AF1CG4, Schneider Electric
398 In Stock
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RS Pro
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525-133, RS Pro
74 In Stock
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£ 5.32
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525-149, RS Pro
81 In Stock
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525-082, RS Pro
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£ 5.55
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525-127, RS Pro
32 In Stock
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525-155, RS Pro
14 In Stock
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AF1CG6, Schneider Electric
198 In Stock
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RS_525-127, RS PRO
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£ 4.74
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RS_525-155, RS PRO
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RS_525-133, RS PRO
36 In Stock
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£ 4.92
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RS_525-111, RS PRO
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RS_525-149, RS PRO
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525-111, RS Pro
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New Items
New items
525-133, RS Pro

525-133, RS Pro

Captive 'U' or 'Spire' Fasteners Captive 'U' or 'Spire' nuts/clips provide a simple solution to the problem of using machine or self-tapping screws in otherwise unsuitable thin sheet materials, such as sheet metal, fibreboard, hardboard etc. Made from zinc plated & clear passivated spring steel Available with Metric, BA and self-tapping thread forms
New items
RS_525-127, RS PRO

RS_525-127, RS PRO

Captive 'U' or 'Spire' Fasteners Captive 'U' or 'Spire' nuts/clips provide a simple solution to the problem of using machine or self-tapping screws in otherwise unsuitable thin sheet materials, such as sheet metal, fibreboard, hardboard etc. Made from zinc plated & clear passivated spring steel Available with Metric, BA and self-tapping thread forms
New items
RS_525-155, RS PRO

RS_525-155, RS PRO

Captive 'U' or 'Spire' Fasteners Captive 'U' or 'Spire' nuts/clips provide a simple solution to the problem of using machine or self-tapping screws in otherwise unsuitable thin sheet materials, such as sheet metal, fibreboard, hardboard etc. Made from zinc plated & clear passivated spring steel Available with Metric, BA and self-tapping thread forms
New items
525-149, RS Pro

525-149, RS Pro

Captive 'U' or 'Spire' Fasteners Captive 'U' or 'Spire' nuts/clips provide a simple solution to the problem of using machine or self-tapping screws in otherwise unsuitable thin sheet materials, such as sheet metal, fibreboard, hardboard etc. Made from zinc plated & clear passivated spring steel Available with Metric, BA and self-tapping thread forms
New items
RS_525-133, RS PRO

RS_525-133, RS PRO

Captive 'U' or 'Spire' Fasteners Captive 'U' or 'Spire' nuts/clips provide a simple solution to the problem of using machine or self-tapping screws in otherwise unsuitable thin sheet materials, such as sheet metal, fibreboard, hardboard etc. Made from zinc plated & clear passivated spring steel Available with Metric, BA and self-tapping thread forms
New items
525-082, RS Pro

525-082, RS Pro

Captive 'U' or 'Spire' Fasteners Captive 'U' or 'Spire' nuts/clips provide a simple solution to the problem of using machine or self-tapping screws in otherwise unsuitable thin sheet materials, such as sheet metal, fibreboard, hardboard etc. Made from zinc plated & clear passivated spring steel Available with Metric, BA and self-tapping thread forms
New items
AF1EA6, Schneider Electric

AF1EA6, Schneider Electric

Snap-fitting clip screws for AM1 PA & AM3 PA plates Snap-fitting clip screws for AM1 PA and AM3 PA plates in chromate zinc-plated steel. Screws corresponding to the AF1 VA series are available separately. Schneider Electric Accessories
New items
AF1CG5, Schneider Electric

AF1CG5, Schneider Electric

Screws For AM1 DE/DP and ED Profiles Nuts clip on to outer rail. For AM1 DE or DP top rails and AM1 ED combined rails. Schneider Electric Accessories
New items
525-127, RS Pro

525-127, RS Pro

Captive 'U' or 'Spire' Fasteners Captive 'U' or 'Spire' nuts/clips provide a simple solution to the problem of using machine or self-tapping screws in otherwise unsuitable thin sheet materials, such as sheet metal, fibreboard, hardboard etc. Made from zinc plated & clear passivated spring steel Available with Metric, BA and self-tapping thread forms
New items
525-155, RS Pro

525-155, RS Pro

Captive 'U' or 'Spire' Fasteners Captive 'U' or 'Spire' nuts/clips provide a simple solution to the problem of using machine or self-tapping screws in otherwise unsuitable thin sheet materials, such as sheet metal, fibreboard, hardboard etc. Made from zinc plated & clear passivated spring steel Available with Metric, BA and self-tapping thread forms
New items
525-111, RS Pro

525-111, RS Pro

Captive 'U' or 'Spire' Fasteners Captive 'U' or 'Spire' nuts/clips provide a simple solution to the problem of using machine or self-tapping screws in otherwise unsuitable thin sheet materials, such as sheet metal, fibreboard, hardboard etc. Made from zinc plated & clear passivated spring steel Available with Metric, BA and self-tapping thread forms
New items
AF1CG4, Schneider Electric

AF1CG4, Schneider Electric

Screws For AM1 DE/DP and ED Profiles Nuts clip on to outer rail. For AM1 DE or DP top rails and AM1 ED combined rails. Schneider Electric Accessories
FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Captive Nuts and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Captive Nuts or any other product.
This depends on the Captive Nuts individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Captive Nuts and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Captive Nuts.
Yes. We keep updating our stock frequently and if a product like Captive Nuts is not in stock then we will let you know.